Major history
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- 
                            2012
                            02.17
                            
WangDo corrosion enterpries established
04.20Type 1 Registration for Electrical Construction Business
10.11Achievement of ISO 9001 Certification
 - 
                            2014
                            09.01
                            
Research Institute establish
 - 
                            2015
                            01.21
                            
KEPCO equipment supply qualification
 - 
                            2018
                            08.01
                            
KEPCO registeration a maintenance qualified company
 

